针对如何有效直观地表示顾客特征问题，讨论用分类树分析有效满意顾客特征的方法，并应用于实例分析。

The method of analyzing the characteristics of satisfied customers through classified tree is discussed in this paper and is applied to a real example.

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特征关系采用二叉树表示。

Relationship between features are defined by binary tree.

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将对偶树复小波变换应用于图像去噪，可以更好地表示图像的边缘和纹理特征，从而得到较小波更好的去噪效果。

The image denoising method is proposed based on dual tree complex wavelet transform, which can do better both in features preserving and noise removing.

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